This combo of a grey polo and black chinos looks amazing and makes you look instantly cooler. All you need now is a pair of black leather low top sneakers to finish off your look. So if it's a baking hot hot weather afternoon and you want to look stylish without putting in too much work, this look will do the job in no time. And if we're talking casual style for 30-something Millennial men, this outfit suits almost any guy.